Patent
US 10,926,228Title: GRAPHENE MEMBRANE 4 x 7 b g i z £J iili
LOZADA, Marcelo, GEIM, Andre K
2 February 2017·US
Copyright © 2026 Matter42. All rights reserved.
Patent
Atlas literature
Patent
US 10,926,228Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for, reducing or increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other,, the process comprising; a) providing a membrane, the membrane comprising: a monolithic, continuous layer of a two-dimensional (2 D) material formed from a single crystal, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate, b) providing an first sample of a substance containing a mixture of two or more of: hydrogen-containing, deuterium-containing or tritium-containing molecules which is in contact with a first face of the membrane, c) providing a container which is in fluid communication with a second face of the membrane, d) applying a potential difference between the first face and the second face, wherein applying the potential difference results in a second sample of the substance on the second side of the membrane, wherein the second sample of the substance contains proportionally less tritium than the first sample of the substance, and/or wherein applying the potential difference results in the first sample of the substance on the first side of the membrane containing proportionally more tritium than the first sample of the substance, and e) recovering from the second side of the membrane a second sample of the substance in which contains proportionally less tritium than the first sample of the substance, and/or recovering from the first side of the membrane a product sample of the substance in which contains proportionally more, tritium than the first sample of the substance. Currently amended
The process of claim 1, wherein the ionomer is a proton conducting polymer. Previously presented
The process of claim 1, wherein the 2D material is graphene. Previously presented
The process of claim 1, wherein the 2D material is h BN. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is monolayer thick. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is 2-5 layers thick. Previously presented
The process of claim 1, wherein the 2-D material includes a catalytic metal. Previously presented
The process of claim 1, wherein the substance is in solution. Currently amended
2-3. Canceled
Canceled
A use of a membrane for altering the relative amounts of one or more of hydrogen, deuterium and tritium in a mixture containing two or more of those isotopes, the membrane comprising: a monolith of a 2D material, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate. Withdrawn
A use of claim 12, wherein the membrane is used for reducing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the membrane is used for increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the ionomer is a proton conducting polymer. Withdrawn
A use of claim 12, wherein the 2D material is graphene. Withdrawn
A use of claim 12, wherein the 2D material is h BN. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is monolayer thick. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is 2-5 layers thick. Withdrawn
A use of claim 12, wherein the 2-D material includes a catalytic metal. Withdrawn
A process for preparing a proton, deuteron and/or triton conducting membrane comprising the following steps; i) providing a layer of a monolithic 2D material on a sacrificial support, such that a first face of the monolithic 2D material contacts the sacrificial support; ii) coating a second face of the monolithic 2D material with an ionomer membrane, such that a first face of the ionomer membrane contacts the second face of the monolithic 2D material; iii) contacting an electrically conductive substrate to the second face of the ionomer membrane; and iv) removing the sacrificial support; to leave an ionomer membrane sandwiched between the monolithic 2D material and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the step of contacting in step iii) comprises hot pressing the electrically conductive substrate to the second face of the ionomer membrane. Withdrawn
The process of claim 22, wherein step iii) further comprises placing or pressing a second ionomer membrane between the electrically conductive substrate and the first ionomer membrane, such that the second ionomer membrane is sandwiched between the first ionomer membrane and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the monolithic 2D material is in the form of a monolayer or 2 to 5 layers of a 2D material. Withdrawn
The process of claim 22, wherein the first and/or second ionomer membranes are proton conducting polymers. Withdrawn
A process of claim 22, further comprising, after removal of the sacrificial support by etching, depositing a layer of catalytic metal onto the exposed face of the 2D monolithic material. Withdrawn
The process of claim 22, further comprising attaching a second electrically conductive substrate to the exposed face of the monolithic 2D material. Withdrawn
The process of claim 22, wherein the first electrically conductive substrate comprises a catalytic metal. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
proton/deuteron/triton conducting membrane
Materials described outside the worked examples.
two-dimensional (2D) material
ionomer
Patent
Atlas literature
Patent
US 10,926,228Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for, reducing or increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other,, the process comprising; a) providing a membrane, the membrane comprising: a monolithic, continuous layer of a two-dimensional (2 D) material formed from a single crystal, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate, b) providing an first sample of a substance containing a mixture of two or more of: hydrogen-containing, deuterium-containing or tritium-containing molecules which is in contact with a first face of the membrane, c) providing a container which is in fluid communication with a second face of the membrane, d) applying a potential difference between the first face and the second face, wherein applying the potential difference results in a second sample of the substance on the second side of the membrane, wherein the second sample of the substance contains proportionally less tritium than the first sample of the substance, and/or wherein applying the potential difference results in the first sample of the substance on the first side of the membrane containing proportionally more tritium than the first sample of the substance, and e) recovering from the second side of the membrane a second sample of the substance in which contains proportionally less tritium than the first sample of the substance, and/or recovering from the first side of the membrane a product sample of the substance in which contains proportionally more, tritium than the first sample of the substance. Currently amended
The process of claim 1, wherein the ionomer is a proton conducting polymer. Previously presented
The process of claim 1, wherein the 2D material is graphene. Previously presented
The process of claim 1, wherein the 2D material is h BN. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is monolayer thick. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is 2-5 layers thick. Previously presented
The process of claim 1, wherein the 2-D material includes a catalytic metal. Previously presented
The process of claim 1, wherein the substance is in solution. Currently amended
2-3. Canceled
Canceled
A use of a membrane for altering the relative amounts of one or more of hydrogen, deuterium and tritium in a mixture containing two or more of those isotopes, the membrane comprising: a monolith of a 2D material, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate. Withdrawn
A use of claim 12, wherein the membrane is used for reducing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the membrane is used for increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the ionomer is a proton conducting polymer. Withdrawn
A use of claim 12, wherein the 2D material is graphene. Withdrawn
A use of claim 12, wherein the 2D material is h BN. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is monolayer thick. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is 2-5 layers thick. Withdrawn
A use of claim 12, wherein the 2-D material includes a catalytic metal. Withdrawn
A process for preparing a proton, deuteron and/or triton conducting membrane comprising the following steps; i) providing a layer of a monolithic 2D material on a sacrificial support, such that a first face of the monolithic 2D material contacts the sacrificial support; ii) coating a second face of the monolithic 2D material with an ionomer membrane, such that a first face of the ionomer membrane contacts the second face of the monolithic 2D material; iii) contacting an electrically conductive substrate to the second face of the ionomer membrane; and iv) removing the sacrificial support; to leave an ionomer membrane sandwiched between the monolithic 2D material and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the step of contacting in step iii) comprises hot pressing the electrically conductive substrate to the second face of the ionomer membrane. Withdrawn
The process of claim 22, wherein step iii) further comprises placing or pressing a second ionomer membrane between the electrically conductive substrate and the first ionomer membrane, such that the second ionomer membrane is sandwiched between the first ionomer membrane and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the monolithic 2D material is in the form of a monolayer or 2 to 5 layers of a 2D material. Withdrawn
The process of claim 22, wherein the first and/or second ionomer membranes are proton conducting polymers. Withdrawn
A process of claim 22, further comprising, after removal of the sacrificial support by etching, depositing a layer of catalytic metal onto the exposed face of the 2D monolithic material. Withdrawn
The process of claim 22, further comprising attaching a second electrically conductive substrate to the exposed face of the monolithic 2D material. Withdrawn
The process of claim 22, wherein the first electrically conductive substrate comprises a catalytic metal. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
proton/deuteron/triton conducting membrane
Materials described outside the worked examples.
two-dimensional (2D) material
ionomer
Patent
Atlas literature
Patent
US 10,926,228Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for, reducing or increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other,, the process comprising; a) providing a membrane, the membrane comprising: a monolithic, continuous layer of a two-dimensional (2 D) material formed from a single crystal, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate, b) providing an first sample of a substance containing a mixture of two or more of: hydrogen-containing, deuterium-containing or tritium-containing molecules which is in contact with a first face of the membrane, c) providing a container which is in fluid communication with a second face of the membrane, d) applying a potential difference between the first face and the second face, wherein applying the potential difference results in a second sample of the substance on the second side of the membrane, wherein the second sample of the substance contains proportionally less tritium than the first sample of the substance, and/or wherein applying the potential difference results in the first sample of the substance on the first side of the membrane containing proportionally more tritium than the first sample of the substance, and e) recovering from the second side of the membrane a second sample of the substance in which contains proportionally less tritium than the first sample of the substance, and/or recovering from the first side of the membrane a product sample of the substance in which contains proportionally more, tritium than the first sample of the substance. Currently amended
The process of claim 1, wherein the ionomer is a proton conducting polymer. Previously presented
The process of claim 1, wherein the 2D material is graphene. Previously presented
The process of claim 1, wherein the 2D material is h BN. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is monolayer thick. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is 2-5 layers thick. Previously presented
The process of claim 1, wherein the 2-D material includes a catalytic metal. Previously presented
The process of claim 1, wherein the substance is in solution. Currently amended
2-3. Canceled
Canceled
A use of a membrane for altering the relative amounts of one or more of hydrogen, deuterium and tritium in a mixture containing two or more of those isotopes, the membrane comprising: a monolith of a 2D material, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate. Withdrawn
A use of claim 12, wherein the membrane is used for reducing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the membrane is used for increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the ionomer is a proton conducting polymer. Withdrawn
A use of claim 12, wherein the 2D material is graphene. Withdrawn
A use of claim 12, wherein the 2D material is h BN. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is monolayer thick. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is 2-5 layers thick. Withdrawn
A use of claim 12, wherein the 2-D material includes a catalytic metal. Withdrawn
A process for preparing a proton, deuteron and/or triton conducting membrane comprising the following steps; i) providing a layer of a monolithic 2D material on a sacrificial support, such that a first face of the monolithic 2D material contacts the sacrificial support; ii) coating a second face of the monolithic 2D material with an ionomer membrane, such that a first face of the ionomer membrane contacts the second face of the monolithic 2D material; iii) contacting an electrically conductive substrate to the second face of the ionomer membrane; and iv) removing the sacrificial support; to leave an ionomer membrane sandwiched between the monolithic 2D material and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the step of contacting in step iii) comprises hot pressing the electrically conductive substrate to the second face of the ionomer membrane. Withdrawn
The process of claim 22, wherein step iii) further comprises placing or pressing a second ionomer membrane between the electrically conductive substrate and the first ionomer membrane, such that the second ionomer membrane is sandwiched between the first ionomer membrane and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the monolithic 2D material is in the form of a monolayer or 2 to 5 layers of a 2D material. Withdrawn
The process of claim 22, wherein the first and/or second ionomer membranes are proton conducting polymers. Withdrawn
A process of claim 22, further comprising, after removal of the sacrificial support by etching, depositing a layer of catalytic metal onto the exposed face of the 2D monolithic material. Withdrawn
The process of claim 22, further comprising attaching a second electrically conductive substrate to the exposed face of the monolithic 2D material. Withdrawn
The process of claim 22, wherein the first electrically conductive substrate comprises a catalytic metal. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
proton/deuteron/triton conducting membrane
Materials described outside the worked examples.
two-dimensional (2D) material
ionomer
Patent
Atlas literature
Patent
US 10,926,228Patent drawings and their descriptions. Click a drawing to enlarge it.
Claims define the patent's legal scope. Independent claims stand alone; dependent claims (nested) narrow them. Click a claim to expand its dependents.
A process for, reducing or increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other,, the process comprising; a) providing a membrane, the membrane comprising: a monolithic, continuous layer of a two-dimensional (2 D) material formed from a single crystal, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate, b) providing an first sample of a substance containing a mixture of two or more of: hydrogen-containing, deuterium-containing or tritium-containing molecules which is in contact with a first face of the membrane, c) providing a container which is in fluid communication with a second face of the membrane, d) applying a potential difference between the first face and the second face, wherein applying the potential difference results in a second sample of the substance on the second side of the membrane, wherein the second sample of the substance contains proportionally less tritium than the first sample of the substance, and/or wherein applying the potential difference results in the first sample of the substance on the first side of the membrane containing proportionally more tritium than the first sample of the substance, and e) recovering from the second side of the membrane a second sample of the substance in which contains proportionally less tritium than the first sample of the substance, and/or recovering from the first side of the membrane a product sample of the substance in which contains proportionally more, tritium than the first sample of the substance. Currently amended
The process of claim 1, wherein the ionomer is a proton conducting polymer. Previously presented
The process of claim 1, wherein the 2D material is graphene. Previously presented
The process of claim 1, wherein the 2D material is h BN. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is monolayer thick. Previously presented
The process of claim 1, wherein the monolithic layer of a 2D material is 2-5 layers thick. Previously presented
The process of claim 1, wherein the 2-D material includes a catalytic metal. Previously presented
The process of claim 1, wherein the substance is in solution. Currently amended
2-3. Canceled
Canceled
A use of a membrane for altering the relative amounts of one or more of hydrogen, deuterium and tritium in a mixture containing two or more of those isotopes, the membrane comprising: a monolith of a 2D material, an ionomer coating provided on at least one side of the 2D material; and optionally a substrate. Withdrawn
A use of claim 12, wherein the membrane is used for reducing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the membrane is used for increasing the amount of tritium in a substance containing a mixture of tritium containing compounds on the one hand and hydrogen-containing and/or deuterium-containing compounds on the other. Withdrawn
A use of claim 12, wherein the ionomer is a proton conducting polymer. Withdrawn
A use of claim 12, wherein the 2D material is graphene. Withdrawn
A use of claim 12, wherein the 2D material is h BN. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is monolayer thick. Withdrawn
A use of claim 12, wherein the monolith of a 2D material is 2-5 layers thick. Withdrawn
A use of claim 12, wherein the 2-D material includes a catalytic metal. Withdrawn
A process for preparing a proton, deuteron and/or triton conducting membrane comprising the following steps; i) providing a layer of a monolithic 2D material on a sacrificial support, such that a first face of the monolithic 2D material contacts the sacrificial support; ii) coating a second face of the monolithic 2D material with an ionomer membrane, such that a first face of the ionomer membrane contacts the second face of the monolithic 2D material; iii) contacting an electrically conductive substrate to the second face of the ionomer membrane; and iv) removing the sacrificial support; to leave an ionomer membrane sandwiched between the monolithic 2D material and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the step of contacting in step iii) comprises hot pressing the electrically conductive substrate to the second face of the ionomer membrane. Withdrawn
The process of claim 22, wherein step iii) further comprises placing or pressing a second ionomer membrane between the electrically conductive substrate and the first ionomer membrane, such that the second ionomer membrane is sandwiched between the first ionomer membrane and the electrically conductive substrate. Withdrawn
The process of claim 22, wherein the monolithic 2D material is in the form of a monolayer or 2 to 5 layers of a 2D material. Withdrawn
The process of claim 22, wherein the first and/or second ionomer membranes are proton conducting polymers. Withdrawn
A process of claim 22, further comprising, after removal of the sacrificial support by etching, depositing a layer of catalytic metal onto the exposed face of the 2D monolithic material. Withdrawn
The process of claim 22, further comprising attaching a second electrically conductive substrate to the exposed face of the monolithic 2D material. Withdrawn
The process of claim 22, wherein the first electrically conductive substrate comprises a catalytic metal. Withdrawn
Layer stacks claimed or described, ordered top of device to substrate.
proton/deuteron/triton conducting membrane
Materials described outside the worked examples.
two-dimensional (2D) material
ionomer
proton conducting polymer
sulfonated polymer
graphene
C
hexagonal boron nitride
hBN
catalytic metal
Nafion
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
proton conducting polymer
sulfonated polymer
graphene
C
hexagonal boron nitride
hBN
catalytic metal
Nafion
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
proton conducting polymer
sulfonated polymer
graphene
C
hexagonal boron nitride
hBN
catalytic metal
Nafion
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂
proton conducting polymer
sulfonated polymer
graphene
C
hexagonal boron nitride
hBN
catalytic metal
Nafion
molybdenum disulfide
MoS₂
tungsten disulfide
WS₂